19560120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:429

約数の個数: 128

約数和(自身を含む): 64627200

約数和(自身を除く): 45067080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 276, 285, 345, 373, 380, 437, 456, 460, 552, 570, 690, 746, 760, 874, 920, 1119, 1140, 1311, 1380, 1492, 1748, 1865, 2185, 2238, 2280, 2622, 2760, 2984, 3496, 3730, 4370, 4476, 5244, 5595, 6555, 7087, 7460, 8579, 8740, 8952, 10488, 11190, 13110, 14174, 14920, 17158, 17480, 21261, 22380, 25737, 26220, 28348, 34316, 35435, 42522, 42895, 44760, 51474, 52440, 56696, 68632, 70870, 85044, 85790, 102948, 106305, 128685, 141740, 163001, 170088, 171580, 205896, 212610, 257370, 283480, 326002, 343160, 425220, 489003, 514740, 652004, 815005, 850440, 978006, 1029480, 1304008, 1630010, 1956012, 2445015, 3260020, 3912024, 4890030, 6520040, 9780060, 19560120]

約数ペア:

[(1, 19560120), (2, 9780060), (3, 6520040), (4, 4890030), (5, 3912024), (6, 3260020), (8, 2445015), (10, 1956012), (12, 1630010), (15, 1304008), (19, 1029480), (20, 978006), (23, 850440), (24, 815005), (30, 652004), (38, 514740), (40, 489003), (46, 425220), (57, 343160), (60, 326002), (69, 283480), (76, 257370), (92, 212610), (95, 205896), (114, 171580), (115, 170088), (120, 163001), (138, 141740), (152, 128685), (184, 106305), (190, 102948), (228, 85790), (230, 85044), (276, 70870), (285, 68632), (345, 56696), (373, 52440), (380, 51474), (437, 44760), (456, 42895), (460, 42522), (552, 35435), (570, 34316), (690, 28348), (746, 26220), (760, 25737), (874, 22380), (920, 21261), (1119, 17480), (1140, 17158), (1311, 14920), (1380, 14174), (1492, 13110), (1748, 11190), (1865, 10488), (2185, 8952), (2238, 8740), (2280, 8579), (2622, 7460), (2760, 7087), (2984, 6555), (3496, 5595), (3730, 5244), (4370, 4476)]